| Basil John Hibbert | Director | 2 Apr 2001 | 31 Jan 2004 | British | 72 years |
| Caroline Hannah Wardle | Director | 4 Apr 2005 | 31 Dec 2006 | English | 64 years |
| Christopher Carney | Director | 2 May 2008 | 28 Jan 2011 | British | 51 years |
| Colin John Williams | Director | 3 May 2005 | 31 Dec 2006 | British | 58 years |
| Colin Richard Clapham | Director | 31 Oct 2014 | 19 Dec 2019 | British | 80 years |
| David Edward Smith | Director | 28 Jan 2011 | 31 Oct 2014 | British | 57 years |
| David James Beeston | Director | 2 Apr 2001 | 31 Dec 2006 | British | 70 years |
| Ian Calvert Sutcliffe | Director | 31 Mar 2006 | 14 Apr 2008 | British | 66 years |
| Ian David Dyke | Director | 4 Sept 1997 | 2 Apr 2001 | British | 66 years |
| James John Jordan | Secretary | 31 Dec 2007 | 6 Feb 2008 | British | - |
| James Phillips | Secretary | 1 Jul 2001 | 19 Apr 2006 | British | - |
| Jennifer Canty | Director | 24 Apr 2024 | 30 Sept 2025 | British | 32 years |
| Jennifer Canty | Secretary | 24 Apr 2024 | 30 Sept 2025 | - | - |
| Jonathan Charles Murrin | Director | 3 Jul 2007 | 2 May 2008 | British | 56 years |
| Karen Lorraine Atterbury | Secretary | 1 Dec 2009 | 16 Jan 2012 | - | - |
| Katherine Elizabeth Hindmarsh | Secretary | 5 Dec 2016 | 5 Jul 2023 | - | - |
| Katherine Elizabeth Hindmarsh | Director | 19 Dec 2019 | 21 Sept 2023 | British | 36 years |
| Keith Morgan Cushen | Director | 3 Sept 1997 | 31 Dec 2003 | British | 78 years |
| Lynne Hartshorn | Director | 9 Feb 2004 | 31 Dec 2006 | British | 72 years |
| Martin Colin Czerniuk | Director | 18 Feb 2002 | 31 Mar 2005 | British | 60 years |
| Michael Andrew Lonnon | Secretary | 16 Jan 2012 | 5 Dec 2016 | - | - |
| Michael Andrew Lonnon | Director | 17 Jul 2015 | 9 Dec 2024 | British | 68 years |
| Michael Andrew Lonnon | Secretary | 1 Jan 2009 | 1 Dec 2009 | British | - |
| Michael Diffin | Director | 2 Apr 2001 | 31 Dec 2006 | British | 74 years |
| Nicola Amanda Eleanor Hastie | Secretary | 19 Apr 2006 | 31 Dec 2007 | British | - |
| Omolola Olutomilayo Adedoyin | Director | 21 Sept 2023 | 24 Apr 2024 | British | 50 years |
| Omolola Olutomilayo Adedoyin | Secretary | 5 Jul 2023 | 24 Apr 2024 | - | - |
| Peter Anthony Carr | Director | 24 Apr 2008 | 30 Sept 2011 | British | 71 years |
| Peter Anthony Carr | Secretary | 6 Feb 2008 | 1 Jan 2009 | British | - |
| Peter Martin Truscott | Director | 2 Apr 2001 | 31 Dec 2001 | British | 63 years |
| Peter Robert Andrew | Director | 27 Apr 2009 | 17 Jul 2015 | British | 66 years |
| Peter Timothy Redfern | Director | 1 Feb 2004 | 31 Mar 2006 | British | 55 years |
| Raymond Anthony Peacock | Director | 2 May 2008 | 27 Apr 2009 | British | 59 years |
| Robert Charles Gilbert | Director | 2 Apr 2001 | 31 Dec 2006 | British | 61 years |
| Stefan Edward Bort | Secretary | 3 Sept 1997 | 1 Jul 2001 | British | - |
| Stephen Adrian Jenkins | Director | 1 Feb 2005 | 3 Jul 2007 | British | 58 years |
| Stephen William Farmer | Director | 2 Apr 2001 | 31 Dec 2006 | British | 74 years |